There's *a lot* of waiting between 93% and 100% when the game is loading. I actually thought it's broken, but it loads within a minute or so. The game is pretty simple, why is the loading taking that long (and in its final 7%)?
As for the game… in its current stage, it's not very entertaining. Collecting artefacts on the surface of Mars has potential, but as of now, the movement is too slow, the game is perhaps too much zoomed in on the player (so you don't see a lot of the surroundings), the roads we're supposed to follow are barely visible, the UI is essentially just plain black text (all lowercase) etc.
I think for the future versions, you ought to first:
– fix the loading (because most people will think the game froze and leave)
– make the searching for artefacts entertaining (easier said than done, I know)
– more diverse environment? (obstacles, traps, different kinds of terrain)
– enemies? (something hunting you, attempting to stop you from finding the artefacts)
– better movement, zoom out so we can see better
Good luck!